jose's fame miss turkey trot -- famous turkey trot. we are in san jose in the middle of everything and i'm looking over your shoulder, this is one of the biggest thanksgiving day races in the country. >> reporter: yeah, that's right, and the costume contest is about to get underway. you can see there's some great costumes. there's indiana jones, we have super mario brothers, a robot. and even pacman, and it's going to be a lot of fun, judging is about to start, but in the next 45 minutes, the first race will begin. now, this is video of last year's turkey trot. it's the second largest race of its kind on thanksgiving day. a majority are participating in the 5 and 10 k. organizers have extended the deadline until 8:00 a.m., and we started seeing a lot more people starting to show up, and getting warmed up to race. >> i feel it's cool, like it's intimidated, but the fact that there are so many people you don't know, it's encouraging you to -- >> are you excited about burning calories? >> yeah, yeah. more excited about eating afterwards. >> reporter: all the registration funds raised